Home / 4,405.04-6,078.96-2,415.60

Finding the Fourth Proportional to 4,405.04, 6,078.96 and 2,415.60

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Solution

The fourth proportional to 4,405.04, 6,078.96 and 2,415.60 is: 3,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.04 : 6,078.96 = 2,415.60 : x
  2. Step 2: Convert to fraction form
    4,405.04/6,078.96 = 2,415.60/x
  3. Step 3: Cross multiply
    4,405.04x = 6,078.96 × 2,415.60
  4. Step 4: Simplify right side
    4,405.04x = 14,684,335.78
  5. Step 5: Solve for x
    x = 14,684,335.78/4,405.04
  6. Step 6: Final answer
    x = 3,333.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.